81738811

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 104569920

約数和(自身を除く): 22831109

約数列:

[1, 7, 11, 49, 77, 139, 539, 973, 1091, 1529, 6811, 7637, 10703, 12001, 53459, 74921, 84007, 151649, 588049, 1061543, 1668139, 7430801, 11676973, 81738811]

約数ペア:

[(1, 81738811), (7, 11676973), (11, 7430801), (49, 1668139), (77, 1061543), (139, 588049), (539, 151649), (973, 84007), (1091, 74921), (1529, 53459), (6811, 12001), (7637, 10703)]